530 2004 SF obsolete, replaced by 30KFB4004 8668733 "550123" *5302471* HELICE D250MM or 30KFB4004 8668734 "550123" *5302471* HELICE D300MM
5302471 not avalible alternative 30KFB4004 8668733 "550123" *5302471*HELICED250MM; 30KFB4004 8668734 "550123" *5302471* HELICED300MM
550123 not avalible alternative 30KFB4004 8668733 "550123" *5302471*HELICED250MM; 30KFB4004 8668734 "550123" *5302471* HELICED300MM
550164 22W,only complete fan is available 30KFB4008 "8668735" "550164" *5302472* HELICED250MM or 30KFB4008 "8668736" "550164" *5302472* HELICE D300MM
550164 not available/alternative 30KFB4008 "8668735" "550164" *5302472* or 30KFB4008 "8668736" "550164" *5302472*
6129002471-550123 not avalible alternative 30KFB4004 8668733 "550123" *5302471*HELICED250MM; 30KFB4004 8668734 "550123" *5302471* HELICED300MM